Rocky Mountain Douglas-fir

Scientific Name: Pseudotsuga menziesii (Mirb.) Franco var. glauca (Beissn.) Franco


Classification: Plantae/ Tracheobionta / Spermatophyta / Coniferophyta / Pinopsida / / Pinales / Pinaceae / Pseudotsuga Carrière/ Pseudotsuga menziesii (Mirb.) Franco var. glauca (Beissn.) Franco

Rocky Mountain Douglas-fir
General Information
Usda SymbolPSMEG
GroupGymnosperm
Life CyclePerennial
Growth HabitsTree
Native LocationsPSMEG

Plant Guide

Use soil moisture sensors to measure the soil moisture of Rocky Mountain Douglas-fir.

Plant Traits

Growth Requirements

Temperature, Minimum (°F)-32
Adapted to Coarse Textured SoilsYes
Adapted to Fine Textured SoilsNo
Adapted to Medium Textured SoilsYes
Anaerobic ToleranceLow
CaCO3 ToleranceMedium
Cold Stratification RequiredYes
Drought ToleranceHigh
Fertility RequirementMedium
Fire ToleranceNone
Frost Free Days, Minimum65
Hedge ToleranceNone
Moisture UseMedium
pH, Maximum7.2
pH, Minimum5.9
Planting Density per Acre, Maxim1200
Planting Density per Acre, Minim300
Precipitation, Maximum45
Precipitation, Minimum22
Root Depth, Minimum (inches)26
Salinity ToleranceNone
Shade ToleranceIntermediate


Morphology/Physiology

BloatNone
ToxicityNone
Resprout AbilityNo
Shape and OrientationConical
Active Growth PeriodSpring and Summer
C:N RatioHigh
Coppice PotentialNo
Fall ConspicuousNo
Fire ResistantNo
Flower ColorYellow
Flower ConspicuousNo
Foliage ColorGreen
Foliage Porosity SummerDense
Foliage Porosity WinterDense
Foliage TextureMedium
Fruit/Seed ConspicuousNo
Nitrogen FixationNone
Low Growing GrassNo
LifespanLong
Leaf RetentionNo
Known AllelopathNo
Height, Mature (feet)110.0
Height at 20 Years, Maximum (fee25
Growth RateModerate
Growth FormSingle Stem
Fruit/Seed ColorBrown


Reproduction

Vegetative Spread RateNone
Small GrainNo
Seedling VigorMedium
Seed Spread RateSlow
Fruit/Seed Period EndFall
Seed per Pound38080
Propagated by TubersNo
Propagated by SprigsNo
Propagated by SodNo
Propagated by SeedYes
Propagated by CormNo
Propagated by ContainerYes
Propagated by BulbNo
Propagated by Bare RootYes
Fruit/Seed PersistenceNo
Fruit/Seed Period BeginSummer
Fruit/Seed AbundanceHigh
Commercial AvailabilityContracting Only
Bloom PeriodMid Spring
Propagated by CuttingsNo


Suitability/Use

Veneer ProductNo
Pulpwood ProductNo
Post ProductNo
Palatable HumanNo
Palatable Graze AnimalLow
Palatable Browse AnimalLow
Nursery Stock ProductNo
Naval Store ProductNo
Lumber ProductYes
Fuelwood ProductMedium
Fodder ProductNo
Christmas Tree ProductNo
Berry/Nut/Seed ProductNo

Rocky Mountain Douglas-fir

Rocky Mountain Douglas-fir

Rocky Mountain Douglas-fir

Rocky Mountain Douglas-fir

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